unnecessary; not needed; not necessary
disposal; abandonment; scrapping; annulment; cancellation; abrogation
hello (e.g. on phone); excuse me! (when calling out to someone)
genuine article; real thing; real deal
it is, isn't it?; I know, right?; innit?
of course; certainly; naturally
perhaps; maybe; perchance; by some chance; by any chance
companion; partner; other party; addressee; opponent (sports, etc.)
custom; practice; said; aforementioned; instance; example
to send (something unsolicited); to send without the receiver's request
corruption (of text, e.g. in email, due to improper encoding); garbling; illegal character; corrupted text; garbled text
contents; content; substance; matter; detail; import
really; truly; indeed; good grief
sender; source (of a transmission, e.g. email)
reply (e.g. email, fax, letter); answer
email; mail (usu. in compound words); post; message (sent over a chat application); instant message; male
possible; potential; practicable; feasible